Omani the Wise

Pay 4 life: Search your library for up to four land cards and put them into the battlefield tapped. Then shuffle your library.
{w}{u}{b}{r}{g}: Until end of turn, any number of target enchantments become creatures with power and toughness equal to their converted mana costs. These creatures gain haste until end of turn.
{1}{g}{t}: Regenerate target creature